abstract |
The present invention describes compounds of formula (I) :( see formula) wherein: ¦ R1 represents an optionally substituted heteroaryl group, ¦ R2 represents an optionally substituted cycloalkyl group, ¦R3 represents a hydrogen atom or an alkyl group, and R4 and R5 are as defined in the description, the enantiomers, diastereoisomers and tautomers thereof, and also the addition salts thereof with a pharmaceutically acceptable acid or base. Medicines. |